// 	Name: 06.c
//	Description: Chapter 6 project 6
//	Author: StableGenius
//	Date: 2020-07-09
//	Email: feng@dongfa.pro

#include <stdio.h>

int main(void) {
	int threshold;
	
	printf("Enter a number: ");
	scanf("%d", &threshold);

	for (int i = 2; i * i <= threshold; i += 2)
	{
		printf("%d\n", i * i);
	}

	return 0;
}
